feat(ipxe): initial commit
Merge pull request #74 from philips/add-ipxe

I will take care of breaking out a separate guide soon. Merging for now.
Merge pull request #75 from robszumski/master

feat(reorg): major reorganization
feat(reorg): remove duplicate ipxe folder
feat(reorg): remove etcdctl guide
feat(reorg): remove DS_Store
fix(rackspace): set default region name
feat(brightbox): add brightbox cloud guide